Home / 185,505.90-278,281.04-65,538.02

Finding the Fourth Proportional to 185,505.90, 278,281.04 and 65,538.02

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Solution

The fourth proportional to 185,505.90, 278,281.04 and 65,538.02 is: 98,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,505.90 : 278,281.04 = 65,538.02 : x
  2. Step 2: Convert to fraction form
    185,505.90/278,281.04 = 65,538.02/x
  3. Step 3: Cross multiply
    185,505.90x = 278,281.04 × 65,538.02
  4. Step 4: Simplify right side
    185,505.90x = 18,237,986,646.05
  5. Step 5: Solve for x
    x = 18,237,986,646.05/185,505.90
  6. Step 6: Final answer
    x = 98,314.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.